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Case study: immediate implant placement and temporization

Continuing Education (CE)

The continuing education article below is available to Implantologists and general dental practitioners who perform implants.

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Dr. Leon Pariente demonstrates the protocol and rationale for placing immediate temporaries in the anterior

A 35-year-old Asian woman, nonsmoker,in good general health, was referred after horizontal root fracture of the left maxillary central incisor (Figures 1 and 2). She reported that she suffered from a trauma several years before, and that the broken tooth was severely discolored and had been endodontically treated before fracturing.

CE_Pariente_1_600x300CE_Pariente_Summer_2016_fig1-2Clinical examination revealed a horizontal root fracture below the gingival level. The perio-
dontium was healthy with no sign of infection. Radiographic examination showed that the fracture had extended to the bone level. The intermaxillary relationships were normal. Analysis of the smile showed a high lip line.

Educational aims and objectives

This article aims to present a case study illustrating immediate implant placement after
extraction of the UL1.

Expected outcomes

Implant Practice US subscribers can answer the CE questions to earn 2 hours of CE from reading this article. Correctly answering the questions will demonstrate the reader can:

  • Recognize the advantages of immediate implant placement and temporization,
    when properly indicated.
  • Recognize that proper indication is a basic principle in implant placement.
  • Realize that the success of implant placement in part relies on atraumatic extraction.
  • Realize that sufficient primary stability is imperative for implant success.
  • Identify types of materials and techniques that assist in implant placement from a biological standpoint and prosthetic perspective.

Treatment plan
The UL1 was diagnosed as hopeless. From a periodontal point of view, the clinical situation was considered as favorable: The gingival margin was at the same level as the adjacent central incisor, and the mesial and distal papillae were present and in their proper position.

The patient underwent computerized tomography to evaluate the available bone volume in the apex area of the UL1 as well as the integrity of the buccal plate of the UL1 (Figure 3). The examination of the CBCT showed that the buccal plate was intact 3 mm below the gingival level; correlated to the clinical examination, the future extraction socket was determined as Class I of Elian (Elian, et al., 2007). The bone volume correlated to the axis of the tooth and was considered as favorable for immediate implant placement, Class I of Kan (Kan, et al., 2011).

CE_Pariente_Summer_2016_fig3Immediate implant placement after extraction of the UL1 was planned. Immediate temporization was intended, subject to sufficient primary stability of the implant. The implant chosen for the procedure was a 4.1 mm × 12 mm Straumann® Bone Level Tapered Implant.

Surgical procedure
The UL1 was extracted atraumatically without raising a flap or osteotomy (Figure 4). The extraction socket was meticulously cleaned and rinsed with Betadine® (Purdue Products LP, Stamford, Connecticut). The drilling sequence included 2.2 mm, 2.8 mm, and 3.5 mm drills (Figure 5). The counter-sink drill or tap was not used in this case to safeguard sufficient primary stability. The implant was placed with a final torque of 45 Ncm (Figures 6 and 7). In its final position, the implant platform lay 4 mm under the ideal gingival margin (compared to the adjacent central incisor —  see Figure 8). A titanium temporary abutment for the crown was placed, and a laboratory-made shell was positioned without interfering with the temporary abutment (Figure 9).





CE_Pariente_Summer_2016_fig10Before placing the provisional crown, the gap between the implant and the buccal plate was filled with a particulate bone augmentation material. The screw-retained temporary crown was then torqued to 35 Ncm (Figure 10).

Three months after placement, an implant level impression was taken for final restoration. Follow-up 10 months after implant placement showed a preserved gingival contour (Figures 11 and 12).


Immediate implant placement and temporization, when properly indicated, has three main advantages: timing, biology, and prosthetics. Treatment time and number of surgical procedures are reduced compared to a delayed approach.

From a biological standpoint, using a slow-resorbing material to fill the gap between the implant and the buccal plate can enable predictably preserved bone volume. The provisional crown supports the gingival architecture and helps maintain the pre-existing positions of the gingival margin and mesial and distal papillae.

From a prosthetic perspective, placing an implant-retained provisional crown on the day of surgery simplifies the temporization in the anterior area, allowing the patient to leave the practice on the same day with a fixed provisional.

The success of this procedure relies on three basic principles: proper indication, atraumatic extraction, and sufficient primary stability of the implant. The latter depends widely on the choice of the implant design and drilling protocol, which should be considered for greater primary stability.

This case was a collaboration between Drs. Leon Pariente, Karim Dada, Marwan Daas, and Romain Cheron. The authors would like to thank Asselin Bonichon for the laboratory work.


Author Info

Pariente_headshotLeon Pariente, DDS, is in private practice in Paris limited to implants and periodontology. He is a graduate of the University of Paris Rene Descartes, has completed the Advanced Program in Implant Dentistry at the New York University College of Dentistry (2012), and published several research projects at the Prosthetic and Implant Department of the University Paris Rene Descartes.


  1. Elian N, Cho SC, Froum S, Smith RB, Tarnow DP. A simplified socket classification and repair technique. Pract Proced Aesthet Dent. 2007;19(2):99-104.
  2. Kan JY, Roe P, Rungcharassaeng K, Patel RD, Waki T, Lozada JL, Zimmerman G. Classification of sagittal root position in relation to the anterior maxillary osseous housing for immediate implant placement: a cone beam computed tomography study. Int J Oral Maxillofac Implants. 2011;26(4):873-876.

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Earn dental continuing education credits as an Implant Practice US subscriber. Log in for online dental CE credits now!

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